Fixed clang warnings

Defaulting to UNIX target
cc -g3 -Wall -pedantic   -c -o math128.o math128.c
In file included from math128.c:25:
./math128.h:48:7: warning: no newline at end of file [-Wnewline-eof]
      ^
      1 warning generated.
[...]

Makefile

@@ -43,4 +43,3 @@ mux.o : centurion.h mux.h console.h cpu6.h scheduler.h trace.h
 
 clean:
 	rm -f centurion *.o *~
-

console.c

@@ -168,4 +168,4 @@ void throttle_emulation(uint64_t expected_time_ns) {
 		// If have lagged by too much, we forgive the time
 		//throttle_start_time += delta_ns;
 	}
-}
+}

console.h

@@ -7,4 +7,4 @@ void net_init(unsigned short port);
 
 void throttle_emulation(uint64_t expected_time_ns);
 void throttle_init();
-void throttle_set_speed(float speed);
+void throttle_set_speed(float speed);

hawk.c

@@ -360,4 +360,4 @@ static void hawk_erase_bits(struct hawk_drive* unit, int count) {
     while (count--) {
         unit->datacells[unit->data_ptr++] = 0;
     }
-}
+}

hawk.h

@@ -131,4 +131,4 @@ int hawk_wait_sync(struct hawk_drive* unit);
 void hawk_update(struct hawk_drive* unit, int64_t now);
 
 // Callback to dsk
-void dsk_hawk_changed(unsigned unit, int64_t time);
+void dsk_hawk_changed(unsigned unit, int64_t time);

math128.h

@@ -45,4 +45,4 @@ extern int64_t rem128 (qofint128 n, int64_t d);
 extern uint64_t gcf64(uint64_t num, uint64_t denom);
 extern qofint128 lcm128 (uint64_t a, uint64_t b);
 
-#endif
+#endif

scheduler.c

@@ -116,4 +116,4 @@ int64_t scheduler_next()
     if (event_list == NULL)
         return -1;
     return next_event;
-}
+}